18312138

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:723

約数の個数: 48

約数和(自身を含む): 43112160

約数和(自身を除く): 24800022

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 139, 234, 278, 417, 563, 834, 1126, 1251, 1689, 1807, 2502, 3378, 3614, 5067, 5421, 7319, 10134, 10842, 14638, 16263, 21957, 32526, 43914, 65871, 78257, 131742, 156514, 234771, 469542, 704313, 1017341, 1408626, 2034682, 3052023, 6104046, 9156069, 18312138]

約数ペア:

[(1, 18312138), (2, 9156069), (3, 6104046), (6, 3052023), (9, 2034682), (13, 1408626), (18, 1017341), (26, 704313), (39, 469542), (78, 234771), (117, 156514), (139, 131742), (234, 78257), (278, 65871), (417, 43914), (563, 32526), (834, 21957), (1126, 16263), (1251, 14638), (1689, 10842), (1807, 10134), (2502, 7319), (3378, 5421), (3614, 5067)]